<?php

/**
 * 单位常量
 * Class UnitEnum
 */
class UnitEnum {

    const UNIT_TYPE_STERE                          = "立方米";
    const UNIT_TYPE_CENTIARE                       = "平方米";
    const UNIT_TYPE_TON                            = "吨";
    const UNIT_TYPE_ZHANG                          = "张";


    public static $unit_types = [
          self::UNIT_TYPE_STERE,
         self::UNIT_TYPE_CENTIARE,
         self::UNIT_TYPE_TON,
         self::UNIT_TYPE_ZHANG,

    ];


}